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LX450 ticking noise

Tiny
MICKEYT
  • MEMBER
  • 1997 LEXUS LX 450
  • 6 CYL
  • AWD
  • AUTOMATIC
  • 190,000 MILES
I have a ticking sound on my LX450 but it runs perfectly fine, no leaks etc. Any ideas? I have 190,000 miles. Any suggestions for pro-active services?
Sunday, February 27th, 2011 AT 3:20 AM

6 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
Where is the noise coming from?
Does it changes with engine speed?
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Sunday, February 27th, 2011 AT 12:25 PM
Tiny
MICKEYT
  • MEMBER
  • 4 POSTS
The engine area, and it seems to be just during idlning
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Sunday, February 27th, 2011 AT 12:51 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
Ticking noise during idling are usually due to valve clearances. Have the valve clearances checked and shims replaced if there are signs of abnormal wear.
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Sunday, February 27th, 2011 AT 12:57 PM
Tiny
MICKEYT
  • MEMBER
  • 4 POSTS
Ok thank you very much. Does this mean change valve cover gaskets as well?
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Sunday, February 27th, 2011 AT 1:02 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
You're welcome.

When valve cover is removed, the gaskets is recommended to be replaced, unless it has only been installed recently.
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Sunday, February 27th, 2011 AT 1:06 PM
Tiny
MICKEYT
  • MEMBER
  • 4 POSTS
Ok will have mechanic do so. Thanks again.
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Sunday, February 27th, 2011 AT 1:13 PM

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